List of Articles Open Access Article Abstract Page Full-Text 1 - Presenting a methodProvide an intelligent method to reduce the range of selected harmonics in voltage source inverters javad safaee kouchaksaraee Open Access Article Abstract Page Full-Text 2 - Construction and simulation of solar energy recovery system with thermoelectric technology ISLAMIC AZAD UNIVERSITY saemian Nader Rahbar Open Access Article Abstract Page Full-Text 3 - Simulation and study of the effect of variation in carbon and manganese elements on steel 1050 heat treatment (quenching) using AC3 software Mehdi Rafiei Open Access Article Abstract Page Full-Text 4 - performance enhancement of a two-fluid corrugated torsional heat exchanger containing hybrid nanofluids mojtaba jamiati Hossein Pourmohamadian Open Access Article Abstract Page Full-Text 5 - Numerical analysis of the effects of sweep angle and sharpness of leading edge on Aerodynamic behavior of delta wing Reza Aaghaei Togh Alireza Sekhavat Benis Mostafa Hadi Doolabi Open Access Article Abstract Page Full-Text 6 - The effects of using two compound twisted tapes to enhance the performance of a parabolic trough solar collector mojtaba jamiati Hossein Pourmohamadian